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Diffstat (limited to 'jni/iconv/lib/johab.h')
| -rw-r--r-- | jni/iconv/lib/johab.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/jni/iconv/lib/johab.h b/jni/iconv/lib/johab.h deleted file mode 100644 index fb2c17f..0000000 --- a/jni/iconv/lib/johab.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (C) 1999-2001, 2007 Free Software Foundation, Inc. - * This file is part of the GNU LIBICONV Library. - * - * The GNU LIBICONV Library is free software; you can redistribute it - * and/or modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * The GNU LIBICONV Library is distributed in the hope that it will be - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with the GNU LIBICONV Library; see the file COPYING.LIB. - * If not, write to the Free Software Foundation, Inc., 51 Franklin Street, - * Fifth Floor, Boston, MA 02110-1301, USA. - */ - -/* - * JOHAB - */ - -/* - Conversion between JOHAB codes (s1,s2) and KSX1001 codes (c1,c2): - Example. (s1,s2) = 0xD931, (c1,c2) = 0x2121. - (s1,s2) = 0xDEF1, (c1,c2) = 0x2C71. - (s1,s2) = 0xE031, (c1,c2) = 0x4A21. - (s1,s2) = 0xF9FE, (c1,c2) = 0x7D7E. - 0xD9 <= s1 <= 0xDE || 0xE0 <= s1 <= 0xF9, - 0x31 <= s2 <= 0x7E || 0x91 <= s2 <= 0xFE, - 0x21 <= c1 <= 0x2C || 0x4A <= c1 <= 0x7D, - 0x21 <= c2 <= 0x7E. - Invariant: - 94*(s1 < 0xE0 ? 2*s1-0x1B2 : 2*s1-0x197) + (s2 < 0x91 ? s2-0x31 : s2-0x43) - = 94*(c1-0x21)+(c2-0x21) - Conversion (s1,s2) -> (c1,c2): - t1 := (s1 < 0xE0 ? 2*s1-0x1B2 : 2*s1-0x197) - t2 := (s2 < 0x91 ? s2-0x31 : s2-0x43) - c1 := t1 + (t2 < 0x5E ? 0 : 1) + 0x21 - c2 := (t2 < 0x5E ? t2 : t2-0x5E) + 0x21 - Conversion (c1,c2) -> (s1,s2): - t := (c1 < 0x4A ? (c1-0x21+0x1B2) : (c1-0x21+0x197)) - s1 := t >> 1 - t2 := (t & 1) * 0x5E + (c2 - 0x21) - s2 := (t2 < 0x4E ? t2+0x31 : t2+0x43) - */ - -static int -johab_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) -{ - unsigned char c = *s; - if (c < 0x80) { - if (c == 0x5c) - *pwc = (ucs4_t) 0x20a9; - else - *pwc = (ucs4_t) c; - return 1; - } else if (c < 0xd8) { - return johab_hangul_mbtowc(conv,pwc,s,n); - } else { - unsigned char s1, s2; - s1 = c; - if ((s1 >= 0xd9 && s1 <= 0xde) || (s1 >= 0xe0 && s1 <= 0xf9)) { - if (n < 2) - return RET_TOOFEW(0); - s2 = s[1]; - if ((s2 >= 0x31 && s2 <= 0x7e) || (s2 >= 0x91 && s2 <= 0xfe)) { - /* In KSC 5601, now KS X 1001, the region s1 = 0xDA, 0xA1 <= s2 <= 0xD3 - contains the 51 Jamo (Hangul letters). But in the Johab encoding, - they have been moved to the Hangul section, see - johab_hangul_page31. */ - if (!(s1 == 0xda && (s2 >= 0xa1 && s2 <= 0xd3))) { - unsigned char t1 = (s1 < 0xe0 ? 2*(s1-0xd9) : 2*s1-0x197); - unsigned char t2 = (s2 < 0x91 ? s2-0x31 : s2-0x43); - unsigned char buf[2]; - buf[0] = t1 + (t2 < 0x5e ? 0 : 1) + 0x21; - buf[1] = (t2 < 0x5e ? t2 : t2-0x5e) + 0x21; - return ksc5601_mbtowc(conv,pwc,buf,2); - } - } - } - return RET_ILSEQ; - } -} - -static int -johab_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) -{ - unsigned char buf[2]; - int ret; - - /* Try ASCII variation. */ - if (wc < 0x0080 && wc != 0x005c) { - *r = wc; - return 1; - } - if (wc == 0x20a9) { - *r = 0x5c; - return 1; - } - - /* Try JOHAB Hangul table before KSC5601 table, because the KSC5601 table - contains some (2350 out of 11172) Hangul syllables (rows 0x30XX..0x48XX), - and we want the search to return the JOHAB Hangul table entry. */ - - /* Try JOHAB Hangul. */ - ret = johab_hangul_wctomb(conv,buf,wc,2); - if (ret != RET_ILUNI) { - if (ret != 2) abort(); - if (n < 2) - return RET_TOOSMALL; - r[0] = buf[0]; - r[1] = buf[1]; - return 2; - } - - /* Try KSC5601, now KS X 1001. */ - ret = ksc5601_wctomb(conv,buf,wc,2); - if (ret != RET_ILUNI) { - unsigned char c1, c2; - if (ret != 2) abort(); - if (n < 2) - return RET_TOOSMALL; - c1 = buf[0]; - c2 = buf[1]; - if (((c1 >= 0x21 && c1 <= 0x2c) || (c1 >= 0x4a && c1 <= 0x7d)) - && (c2 >= 0x21 && c2 <= 0x7e)) { - unsigned int t = (c1 < 0x4A ? (c1-0x21+0x1B2) : (c1-0x21+0x197)); - unsigned char t2 = ((t & 1) ? 0x5e : 0) + (c2 - 0x21); - r[0] = t >> 1; - r[1] = (t2 < 0x4e ? t2+0x31 : t2+0x43); - return 2; - } - } - - return RET_ILUNI; -} |